But there are, perhaps, cracks in the foundation. Like when Paltrow kept tight-lipped on Ellen DeGeneres' poking fun at Madonna's elective British accent. And then there was a February edition of Paltrow's newsletter, Goop, in which she dished on "Friendship Divorce."

If that's not knotting your stomach, just wait until you hear about the shade Katy Perry threw at Lady Gaga ....

Perry, fiance of comedian Russell Brand, took to Twitter with a comment pointing at Gaga's video for "Alejandro." Mucho speculation says the tweet accuses Gaga of using shocking religious images as a cheap ploy for attention.

"Using blasphemy as entertainment is as cheap as a comedian telling a fart joke," Perry said.